Finding the Fourth Proportional to 1,419,876.63, 1,959,421.94 and 775,292.24
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Solution
The fourth proportional to 1,419,876.63, 1,959,421.94 and 775,292.24 is: 1,069,899.02
Step by Step Solution
- Step 1: Write the proportion equation
1,419,876.63 : 1,959,421.94 = 775,292.24 : x - Step 2: Convert to fraction form
1,419,876.63/1,959,421.94 = 775,292.24/x - Step 3: Cross multiply
1,419,876.63x = 1,959,421.94 × 775,292.24 - Step 4: Simplify right side
1,419,876.63x = 1,519,124,611,294.17 - Step 5: Solve for x
x = 1,519,124,611,294.17/1,419,876.63 - Step 6: Final answer
x = 1,069,899.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.